Transaction is required to perform this operation (either use a transaction or extended persistence context)

Question

I\'m using Wildfly 10.0.0 Final, Java EE7, Maven and JPA 2.1. When I am querying my database for records it works fine and lists out the employees, but when I am trying to p

Answer 1

You can see below document about handle the transacion:
Container-Managed Transactions JEE6

use Transaction Attributes based on your application